同比 tóngbǐ compared with the same period of the previous year
(statistics) compared with the same period of the previous year; year on year; year over year
How to remember 同比: 同 same + 比 compare = compared with the same period of the previous year.
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How it is used
- Statistics term: year-on-year, i.e. versus the same period a year earlier - 同比增长5% (tóngbǐ zēngzhǎng bǎi fēn zhī wǔ) up 5% year-on-year.
- Contrasts with 环比 (huánbǐ), which compares to the immediately preceding period (month-on-month). Both are staples of economic reporting.